<template>
    <div>

        <p>{{ msg }}</p>
        <button @click="rev">翻转世界</button>
    </div>
</template>

<script>
export default {
    data() {
        return {
            msg: 'The, World'
        }
    },
    methods: {
        rev() {

            const arr = this.msg.split('')

            this.msg = arr.reverse().join('')

        }
    }
}
</script>

<style>

</style>